# CVE-2026-77818: Yordam Information Technology Library Information and Document Automation Program cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-77818-yordam-information-technology-library-information-and-document  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-04. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-77818 · Severity: medium · CVSS 6.1 · Published 2026-09-04

Yordam Information Technology's Library Information and Document Automation Program is used for managing library catalogues and digital document systems. The product contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts into web pages, potentially enabling content spoofing, unauthorized data access, or credential theft from users of the library system.

Technologies: [Yordam Information Technology Consulting, Training and Electronic Systems Industry and Trade Inc. Library Information and Document Automation Program](https://junglewise.ai/threats/technologies/library-information-and-document-automation-program). Vendors: [Yordam Information Technology Consulting, Training and Electronic Systems Industry and Trade Inc.](https://junglewise.ai/threats/vendors/yordam-information-technology-consulting-training-and-electronic-systems-industry-and-trade-inc).

## Quick answers

**Is CVE-2026-77818 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-77818 being exploited in the wild.

**How severe is CVE-2026-77818?** Medium severity, with a CVSS score of 6.1, published 4 September 2026.

**Which products and versions are affected?** Yordam Information Technology Consulting, Training and Electronic Systems Industry and Trade Inc. Library Information and Document Automation Program 22.1 before 22.2.

**Is there a fix for CVE-2026-77818?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-77818 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-77818?** Check whether you run Yordam Information Technology Consulting or Training and Electronic Systems Industry and Trade Inc. Library Information and Document Automation Program at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This is a reflected or stored cross-site scripting (XSS) vulnerability caused by improper neutralization of user-supplied input during web page generation in the Library Information and Document Automation Program. The vulnerability allows an attacker to inject arbitrary JavaScript code that executes in the browser context of authenticated or unauthenticated users. Attack vectors likely include malicious URLs or crafted input fields within the application interface. The vulnerability affects versions from 22.1 through versions before 22.2, where a patch is expected to be available. No public exploit code is known to be actively used in the wild.

## Affected products

- Yordam Information Technology Consulting, Training and Electronic Systems Industry and Trade Inc. Library Information and Document Automation Program 22.1 before 22.2

## Timeline

- 2026-09-04: disclosed

## References

- [https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1011](https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1011)

## Related threats

- [Yordam Library Information and Document Automation Program cross-site scripting in HTML attributes](https://junglewise.ai/threats/cve-2026-19727-yordam-library-information-and-document-automation-program-cross)